Finding the Fourth Proportional to 30,901.34, 42,645.41 and 17,290.91

Step by Step Solution

1. Step 1: Write the proportion equation
   30,901.34 : 42,645.41 = 17,290.91 : x
2. Step 2: Convert to fraction form
   30,901.34/42,645.41 = 17,290.91/x
3. Step 3: Cross multiply
   30,901.34x = 42,645.41 × 17,290.91
4. Step 4: Simplify right side
   30,901.34x = 737,377,646.54
5. Step 5: Solve for x
   x = 737,377,646.54/30,901.34
6. Step 6: Final answer
   x = 23,862.32